131322311300 has 72 divisors (see below), whose sum is σ = 286179600000. Its totient is φ = 52306225920.

The previous prime is 131322311279. The next prime is 131322311369. The reversal of 131322311300 is 3113223131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43787201 + ... + 43790199.

Almost surely, 2^131322311300 is an apocalyptic number.

131322311300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131322311300 is an abundant number, since it is smaller than the sum of its proper divisors (154857288700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131322311300 is a wasteful number, since it uses less digits than its factorization.

131322311300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725 (or 4718 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131322311300 its reverse (3113223131), we get a palindrome (134435534431).

The spelling of 131322311300 in words is "one hundred thirty-one billion, three hundred twenty-two million, three hundred eleven thousand, three hundred".